The earliest atmosphere on Mercury

Mercury is a most unusual planet. The smallest planet in the solar system, and the closest planet to the sun, it is in a 3:2 spin resonance, slowly turning and experiencing scorching heat up to 430 degrees Celsius, and the ...

Studying the moon's oldest geologic imprints

New Curtin research has found the moon may have been subjected to much greater impacts from asteroids and other bodies than previously thought, building on our understanding of the moon's earliest geologic evolution.

Researchers find younger age for Earth's moon

The moon formed a little later than previously assumed. When a Mars-sized protoplanet was destroyed in a collision with the young Earth, a new body was created from the debris ejected during this collision, which became the ...

How and when was carbon distributed in the Earth?

It is generally accepted that planetary surfaces were covered with molten silicate, a "magma ocean," during the formation of terrestrial planets. In a deep magma ocean, iron would separate from silicate, sink, and eventually ...

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